TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_349

TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1_351

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-19. TROUBLESHOOTING CHART (continued). I u. AUXILIARY POWER UNIT (continued). (1) ENGINE CRANKS BUT FAILS TO START (continued). CONTINUED FROM J Replace circuit breaker (para 7-11). Verify problem is solved. Notify Direct Support maintenance. K. CONTINUED FROM STEP G 1. Connect lead 10G to Circuit Breaker No. 8. input of Circuit Breaker panel no. 1. 2. Check APU control box FUEL SHUT-OFF switch circuit for continuity. 3. Place multimeter red probe on pin N and black probe on pin F. 4. Turn FUEL SHUT-OFF switch ON (refer to TM 9-2350-287-10). 5. Check for continuity. 6. Turn FUEL SHUT-OFF switch OFF (refer to TM 9-2350-287-10). Is continuity indicated? CONTINUED TO STEP M L. 1. Remove NBC air purifier (para 22-2). 2. Remove four screws and Iockwashers, ac- cess panel, and bracket. Discard Iockwashers. 3. Disconnect harness 12330248. 4. Disconnect two leads from FUEL SHUT- OFF switch. Continued on next page 2-298

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